Package includes: 216 inch A-Z letter balloon sets 2Ribbons 1Straw Feature: 16 Inch letter balloon?Perfect background?Long expansion time?Easy to inflate?Bright color. You can use some letters to form what you want. Material?Foil Color?Black How to use?There are holes on the bottom and top of the balloons for easy hanging with twine, string, or fishing line, easily hung on strings from ceilings or attached to wall with tape. Reusable : Self- sealing valve with included instructions for easy inflation. When the inflation is completed, please put the ball to pinch flat, the ball comes automatically sealing glue. Occasion? It is very suitable for birthday, anniversary, graduation season, Valentine's Day, anniversary, Halloween and other party occasions.